%Regressors & \multicolumn{3}{c}{Model 1} & \multicolumn{3}{c}{Model 2}\\
%
%    & Coefficient & Lower limit & Upper Limit
%    & Coefficient & Lower limit & Upper Limit  \\

{
%\scriptsize
%\sffamily
\ttfamily
 \begin{tabular}{llllll}
 \hline\noalign{\smallskip} 
&& \multicolumn{1}{l}{Baseline} & \multicolumn{1}{l}{PATATRAS}&\multicolumn{1}{l}{Oracular}&\multicolumn{1}{l}{Oracular(PQ)}\\ 
&&                              &                      & $\tau=0$                 & $\tau=1$             \\
 \noalign{\smallskip} 
 \hline
\noalign{\smallskip} 
$\mathit{LM}$ &\vtop{\hbox{\strut MAP}\hbox{\strut Recall}} 
& \vtop{\hbox{\strut 0.118}\hbox{\strut 0.438}}
& \vtop{\hbox{\strut 0.226}\hbox{\strut 0.467}} 
& \vtop{\hbox{\strut \bfseries 0.507}\hbox{\strut 0.612}} 
& \vtop{\hbox{\strut \bfseries 0.436}\hbox{\strut 0.622}}\\ \hline

$\mathit{BM25}$&\vtop{\hbox{\strut MAP}\hbox{\strut Recall}} 
& \vtop{\hbox{\strut 0.129}\hbox{\strut 0.454}}
& \vtop{\hbox{\strut 0.226}\hbox{\strut 0.467}} 
& \vtop{\hbox{\strut \bfseries 0.518}\hbox{\strut 0.615}} 
& \vtop{\hbox{\strut \bfseries 0.446}\hbox{\strut 0.629}}\\ \hline

%\bottomrule 

 \end{tabular} 
 
}
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